Barite Brochantite Mineral Specimen from Nevada USA 4.7 OZ SIZE is a significant resource primarily found in stratiform deposits within the Roberts Mountains Allochthon. It is used mainly as a weighting agent in drilling fluids for oil and gas wells. Major Nevada mines include those operated by companies like Baker Hughes Drilling Fluids and M-I SWACO, with some notable deposits found in Lander and Elko Counties. The industry experienced substantial growth, with Nevada becoming the leading U.S producer of barite in the mid-1970s ** WE HAVE MANY BEAUTIFUL MINERAL SPECIMENS FROM THE USA AROUND THE GLOBE ** MOST ARE FROM OUR VARIOUS TRIPS ** ** SEE ENTIRE STORE FOR AMAZING MINERALS ** ** OUR GOAL IS TO MAKE COLLECTING FUN AFFORDABLE FOR ALL WITH GREAT LOW PRICING * #391